18996880578

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2801}}^1\times {\mathrm{86951}}^1$

素因数の和:89770

約数の個数: 32

約数和(自身を含む): 40931436672

約数和(自身を除く): 21934556094

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 2801, 5602, 8403, 16806, 36413, 72826, 86951, 109239, 173902, 218478, 260853, 521706, 1130363, 2260726, 3391089, 6782178, 243549751, 487099502, 730649253, 1461298506, 3166146763, 6332293526, 9498440289, 18996880578]

約数ペア:

[(1, 18996880578), (2, 9498440289), (3, 6332293526), (6, 3166146763), (13, 1461298506), (26, 730649253), (39, 487099502), (78, 243549751), (2801, 6782178), (5602, 3391089), (8403, 2260726), (16806, 1130363), (36413, 521706), (72826, 260853), (86951, 218478), (109239, 173902)]